6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-25 16:31:42 +00:00
Code Issues Projects Releases Wiki Activity

Ensure sector cache is cleared upon disk change.

Browse Source
This commit is contained in:
Thomas Harte 2023-12-04 12:28:29 -05:00
parent edef0732ac
commit bf8a4b7efe
1 changed files with 21 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
Machines/PCCompatible/PCCompatible.cpp
View File

@ -269,13 +269,13 @@ class FloppyController {
}
void set_disk(std::shared_ptr<Storage::Disk::Disk> disk, int drive) {
if(drives_[drive].disk) {
// TODO: drive should only transition to unready if it was ready in the first place.
drives_[drive].status = uint8_t(Intel::i8272::Status0::BecameNotReady);
drives_[drive].raised_interrupt = true;
pic_.apply_edge<6>(true);
}
drives_[drive].disk = disk;
// if(drives_[drive].has_disk()) {
// // TODO: drive should only transition to unready if it was ready in the first place.
// drives_[drive].status = uint8_t(Intel::i8272::Status0::BecameNotReady);
// drives_[drive].raised_interrupt = true;
// pic_.apply_edge<6>(true);
// }
drives_[drive].set_disk(disk);
}
private:
@ -317,7 +317,14 @@ class FloppyController {
bool motor = false;
bool exists = true;
std::shared_ptr<Storage::Disk::Disk> disk;
bool has_disk() const {
return bool(disk);
}
void set_disk(std::shared_ptr<Storage::Disk::Disk> image) {
disk = image;
cached.clear();
}
Storage::Encodings::MFM::SectorMap &sectors(bool side) {
if(cached.track == track && cached.side == side) {
@ -356,7 +363,13 @@ class FloppyController {
uint8_t track = 0xff;
bool side;
Storage::Encodings::MFM::SectorMap sectors;
void clear() {
track = 0xff;
sectors.clear();
}
} cached;
std::shared_ptr<Storage::Disk::Disk> disk;
} drives_[4];